CN222536395U - A mold device suitable for spindle drilling - Google Patents
A mold device suitable for spindle drilling Download PDFInfo
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- CN222536395U CN222536395U CN202520032716.3U CN202520032716U CN222536395U CN 222536395 U CN222536395 U CN 222536395U CN 202520032716 U CN202520032716 U CN 202520032716U CN 222536395 U CN222536395 U CN 222536395U
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- 238000005553 drilling Methods 0.000 title claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000013011 mating Effects 0.000 abstract 2
- 210000000078 claw Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本实用新型公开了一种适用于主轴钻孔的模具装置，主要涉及法兰加工领域。包括依次同轴连接的第二环形座、第一环形座和环形模板，所述环形模板远离第一环形座的一侧端面为环形的配合端面，所述环形模板的外径小于法兰工件的外径，所述环形模板的内径大于法兰工件的内径，所述配合端面的边缘处设有与法兰螺栓孔相配合的定位柱，所述定位柱为2个，2个所述定位柱相对环形模板的周面呈90度或180度角分布，所述定位柱的末端配合有将法兰工件固定在环形模板上的紧固件。本实用新型的有益效果在于：一次装夹完成外圆加工和主孔加工，从而保证二者同轴度，满足机械加工高精度的要求。
The utility model discloses a mold device suitable for spindle drilling, mainly involving the field of flange processing. It includes a second annular seat, a first annular seat and an annular template that are coaxially connected in sequence, the end face of the annular template away from the first annular seat is an annular mating end face, the outer diameter of the annular template is smaller than the outer diameter of the flange workpiece, the inner diameter of the annular template is larger than the inner diameter of the flange workpiece, and a positioning column that matches the flange bolt hole is provided at the edge of the mating end face, and the two positioning columns are distributed at an angle of 90 degrees or 180 degrees relative to the circumference of the annular template, and the end of the positioning column is matched with a fastener that fixes the flange workpiece on the annular template. The beneficial effect of the utility model is that the outer circle processing and the main hole processing are completed by clamping once, so as to ensure the coaxiality of the two and meet the requirements of high-precision machining.
Description
Technical Field
The utility model relates to the field of flange machining, in particular to a die device suitable for drilling a main shaft.
Background
When the flange workpiece is machined, the outer circle and the inner hole of the flange workpiece need to be respectively finished and shaped. In a specific operation, a workpiece is typically held by a jig (e.g., a three-jaw or multi-jaw chuck), and then machined and shaped by a turning tool or a boring tool.
In the above processing, one of the most important quality indexes is the coaxiality of the inner and outer circles. Based on the existing clamping method, two times of clamping are needed for outer circle machining and inner hole machining, so that after the second time of clamping, in order to improve coaxiality of the outer circle and the inner hole, repeated measurement and clamping positioning are conducted on the flange, but based on the second time of clamping, the problem of coaxiality error is unavoidable, quality precision of the flange is reduced, and performance of the flange is affected in subsequent application.
Disclosure of utility model
The utility model aims to provide a die device suitable for drilling a main shaft, which is used for finishing excircle machining and main hole machining by one-time clamping, so that coaxiality of the excircle machining and the main hole machining is ensured, and the requirement of high precision of mechanical machining is met.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
The utility model provides a die set suitable for main shaft drilling, includes coaxial coupling's second annular seat, first annular seat and annular template in proper order, one side terminal surface that annular template kept away from first annular seat is annular cooperation terminal surface, the external diameter of annular template is less than the external diameter of flange work piece, the internal diameter of annular template is greater than the internal diameter of flange work piece, the edge of cooperation terminal surface is equipped with and flange bolt hole matched with reference column, the reference column is 2, 2 the global 90 degrees or 180 degrees angular distributions of relative annular template of reference column, the terminal cooperation of reference column has the fastener with flange work piece fixed on annular template.
The inner ring of the annular template is fixedly provided with a first annular seat which is in a circular ring shape, the inner diameter of the first annular seat is adapted to the flange of the flange, and the inner ring of the first annular seat is fixedly provided with a second annular seat.
And 3 or 4 symmetrical plane end surfaces are arranged on the periphery of the second annular seat, and the plane end surfaces are perpendicular to the radial line of the second annular seat.
The two positioning columns are distributed at 90 degrees relative to the circumference of the annular template, the positioning columns are right columns which are matched with the bolt holes, stud heads which are coaxial with the positioning columns are arranged on the end faces of the outer ends of the positioning columns in the middle,
The fastening piece comprises a fastening bolt and a pressing strip, the fastening bolt is in threaded connection with the stud head, through holes which are movably spliced with the positioning columns are formed in the two ends of the pressing strip, and the pressing strip is an arc-shaped plate which is coaxial with the annular template and is at an angle of 90 degrees.
The two reference columns are symmetrically arranged relative to the annular template, the root diameter of the reference column is equal to or larger than the bolt hole of the flange, the diameter of the outer end of the reference column is smaller than the bolt hole of the flange, the reference column is a round table-shaped column body with the outer end being a narrow end, a thread groove is formed in the end face of the outer end of the reference column in a centering mode, the fastener comprises a pressing plate, a door-shaped frame and a screw rod, the pressing plate is an annular piece with the inner diameter larger than that of the reference column, the two ends of the door-shaped frame are respectively fixed at the edge of the pressing plate, the outer end of the screw rod is fixed on the door-shaped frame in a centering mode, and the screw rod is in threaded fit with the thread groove.
An annular groove is formed in the end face, close to one side of the annular template, of the pressing plate, a rubber gasket is fixed in the annular groove, and the rubber gasket protrudes out of the inner end face of the pressing plate.
Compared with the prior art, the utility model has the beneficial effects that:
Through the switching cooperation of this mould device, can be with the stable and accurate location of ring flange on anchor clamps, through once clamping, can accomplish the processing of excircle and hole in a clamping, reduce the axiality error because of clamping brings many times. And the working hours and manpower lost due to repeated clamping, measuring and positioning are avoided, so that the processing efficiency is improved, the processing precision is ensured, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the clamping state of embodiment 1 of the present utility model.
Fig. 2 is a schematic diagram of embodiment 1 of the present utility model.
Fig. 3 is a schematic view showing a clamping state of embodiment 2 of the present utility model.
Fig. 4 is a schematic diagram of embodiment 2 of the present utility model.
Fig. 5 is a schematic view of a fastener in embodiment 2 of the present utility model.
The reference numbers shown in the drawings:
1. the device comprises an annular template, a matching end face, a first annular seat, a second annular seat, a positioning column, a stud head, a pressing bar, a fastening bolt, a through hole, a plane end face, a thread groove, a pressing plate, a rubber gasket, a door-shaped frame, a screw rod, a reducing ring and a reducing ring, wherein the annular template is composed of the annular template, the matching end face, the first annular seat, the second annular seat, the positioning column, the stud head, the pressing bar, the fastening bolt, the fastening hole, the through hole, the plane end face, the thread groove, the pressing plate, the rubber gasket, the door-shaped frame, the screw rod and the reducing ring.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
Example 1:
After the flange is fixed by the conventional clamping equipment, the main hole and the outer circle are assisted to be processed, the main structure of the flange comprises an annular template 1, an annular end face on one side of the annular template 1 is a matching end face 2, and the matching end face 2 is used for being matched with a certain end face of the flange. The diameter of the matched end face 2 is smaller than that of the flange, and the processing of the excircle is not affected after the matched end face is matched with the flange.
The inner ring of the annular template 1 is fixedly provided with a first annular seat 3, the first annular seat 3 is annular, the inner diameter of the first annular seat 3 is matched with the flange of the flange, and the first annular seat is used for giving a space for yielding to the flange of the flange and also providing sufficient space for processing by extending the first annular seat. The first annular seat 3 is arranged on one side of the annular template 1 away from the matching end face 2.
The one end that first annular seat 3 kept away from annular template is equipped with reducing ring 16, the outer lane of reducing ring 16 is fixed with first annular seat 3, the inner circle of reducing ring 16 is fixed with second annular seat 4, second annular seat 4 is used for cooperating with clamping tool, for example taking four-jaw chuck as an example. The second annular seat 4 conveniently penetrates into the center of the clamp and is matched with the claw heads of the four-claw chuck. And the clamping is kept stable and reliable in the two working procedures.
The edge of the matching end face 2 is provided with positioning columns 5 fixedly welded with the positioning columns, the positioning columns 5 are perpendicular to the matching end face 2 and are distributed at 90 degrees relative to the circumference of the annular template 1, and the positioning columns 5 are used for being inserted into bolt holes of a flange plate to realize circumferential positioning of the flange plate. So that the positioning effect is kept stable and unchanged in the circumferential direction during processing.
Therefore, the bolt holes/pin holes of the conventional flange can be matched, the common bolt holes of the flange plate comprise 4 holes and 8 holes, and the common bolt holes of the flange plate can also be matched with two positioning columns 5 distributed at right angles, namely 12 holes, 16 holes and the like.
The positioning columns 5 are right columns, stud heads 6 coaxial with the positioning columns are arranged on the outer end faces of the positioning columns 5 (far away from the plane end faces 10) in the middle, fastening bolts 8 are matched on the stud heads 6, pressing strips 7 are arranged between the two positioning columns 5, through holes 9 are respectively arranged at two ends of each pressing strip 7, the through holes 9 penetrate through the stud heads 6, the pressing strips 7 are pressed downwards on the outer end faces of the flange plates through the fastening bolts 8, the pressing strips 7 are in an arc shape of 90 degrees, the pressing strips 7 fixed on the positioning columns 5 are coaxial with the annular templates 1, are coaxial with the flanges, can furthest form a central running layout, and furthest avoid machining areas of inner holes and outer circles without affecting machining operation.
The using method of the die comprises the following steps:
The second annular seat 4 of the die is arranged in the four-jaw chuck, so that the four-jaw chuck is gathered and clamped on four plane end surfaces 10;
The die and the flange are positioned, namely, the flange of the flange faces the die, two bolt holes are respectively inserted into two positioning columns 5, the flange is pushed inwards to be abutted against the matched end face 2, two ends of a pressing strip 7 are also inserted into the two positioning columns 5, the pressing strip 7 is tightly pressed by a fastening bolt 8, and the pressing strip 7 is used for effectively pressing and fixing the flange on the annular die plate 1.
Through the switching cooperation of this mould device, can be with the stable and accurate location of ring flange on anchor clamps, through once clamping, can accomplish the processing of excircle and hole in a clamping, reduce the axiality error because of clamping brings many times. And the working hours and manpower lost due to repeated clamping, measuring and positioning are avoided, so that the processing efficiency is improved, the processing precision is ensured, and the cost is reduced.
Example 2:
After the flange is fixed by the aid of the conventional clamping equipment, the main hole and the outer circle are machined, the main structure of the flange comprises an annular template 1, the annular end face on one side of the annular template 1 is a matched end face 2, and the diameter of the annular template 1 is smaller than that of the flange.
The inner ring of the annular template 1 is fixedly provided with a first annular seat 3, the first annular seat 3 is annular, one end, far away from the annular template, of the first annular seat 3 is provided with a reducing ring 16, the outer ring of the reducing ring 16 is fixed with the first annular seat 3, and the second annular seat 4 is used for being matched with a clamping tool, for example, a four-jaw chuck is taken as an example. Four symmetrical plane end surfaces 10 are arranged on the periphery of the second annular seat 4, and the plane end surfaces 10 are perpendicular to the radial line of the second annular seat 4, so that the four-jaw chuck can be conveniently matched with the jaw heads of the four-jaw chuck. The clamping surface based on the claw head cannot be matched with the arc-shaped surface, so that more contact area with the claw head clamped is obtained by adopting a planar structure, the clamping stability is improved, and the clamping stability and reliability are maintained in the two-step processing.
The edge of the matching end face 2 is provided with a positioning column 5 fixedly welded with the positioning column 5, the positioning column 5 is perpendicular to the matching end face 2 and is symmetrically arranged relative to the annular template 1, so the positioning columns 5 are arranged on the radial line of the annular template 1, the matching of bolt holes/pin holes of a conventional flange can be realized, the common bolt holes of the flange comprise 4 holes and 8 holes, the common bolt holes of the flange comprise 12 holes, 16 holes and the like, and the common bolt holes can be matched with the two positioning columns 5 which are diagonally distributed.
The diameter of one end of the positioning column 5 close to the annular template 1 is equal to or slightly larger than the bolt hole of the flange plate, the diameter of the outer end of the positioning column 5 is smaller than the bolt hole of the flange plate and can be set to be 1-10mm smaller, the positioning column 5 is a truncated cone-shaped column with the outer end being a narrow end, the smaller outer end diameter of the positioning column is convenient, quick and easy to sleeve into the bolt hole, and the slightly larger bottom end diameter enables the peripheral surface of the positioning column 5 to support the flange plate.
A thread groove 11 is centrally arranged on the end face of the outer end of the positioning column 5, a fastener is matched on the positioning column 5, the fastener comprises an annular pressing plate 12, the pressing plate 12 is provided with an annular groove on the end face of one side close to the annular template 1, and a rubber gasket 13 is fixed in the annular groove, and the end face can be effectively protected and scratch and abrasion can be avoided through the matching of the rubber gasket 13 with the end face of the flange plate. The outer end face of the pressing plate 12 far away from the annular groove is provided with a gate-shaped frame 14 fixedly welded with the pressing plate 12, two ends of the gate-shaped frame 14 are symmetrically fixed on the pressing plate 12, a screw rod 15 is connected in the threaded groove 11 in a threaded manner, and the outer end of the screw rod 15 is fixed on the gate-shaped frame 14, so that the screw rod 15, the gate-shaped frame 14 and the pressing plate 12 form an integral component, namely a fastener. The shape of the door-shaped frame 14 is convenient for holding and exerting force, the door-shaped frame can be used as a handle to carry out screwing operation on a fastener, the screw 15 is gradually matched with the thread groove 11, the pressing plate 12 is pressed on a flange, the flange is in a round table shape with inclined peripheral surfaces based on the positioning columns 5, the flange is in contact with the positioning columns 5 through bolt holes to achieve fixation, the fixed positions are symmetrical, and stability can be more facilitated in high-speed rotation. The processing areas of the inner hole and the outer circle are not affected by the fixation of the fastener.
This example is mainly realized supporting and location to the ring flange through the reference column 5 of round platform shape, and the bottom diameter of reference column 5 is greater than the bolt hole of ring flange, and the strong point of ring flange has also fallen on two reference column 5, and after easy assembly on the one hand, on the other hand can let reference column 5 slope global and screw hole in close contact with through the oppression ring flange, and its location and fixed effect are inseparabler, can realize seamless fastening, and is more stable in the rotation.
Claims (6)
1. The utility model provides a die set suitable for main shaft drilling, its characterized in that, including second annular seat (4), first annular seat (3) and annular template (1) of coaxial coupling in proper order, one side terminal surface that first annular seat (3) was kept away from to annular template (1) is annular cooperation terminal surface (2), the external diameter of annular template (1) is less than the external diameter of flange work piece, the internal diameter of annular template (1) is greater than the internal diameter of flange work piece, the edge of cooperation terminal surface (2) is equipped with and flange bolt hole matched with reference column (5), reference column (5) are 2, 2 reference column (5) are 90 degrees or 180 degrees distributions relative to the global of annular template (1), the terminal of reference column (5) is furnished with the fastener of fixing the flange work piece on annular template (1).
2. The die device suitable for spindle drilling according to claim 1, wherein a first annular seat (3) is fixed on the inner ring of the annular die plate (1), the first annular seat (3) is circular, the inner diameter of the first annular seat (3) is matched with the flange of the flange, and a second annular seat (4) is fixed on the inner ring of the first annular seat (3).
3. A mould device for drilling a spindle according to claim 2, characterized in that the second annular seat (4) is provided with 3 or 4 symmetrical planar end surfaces (10) on its peripheral side, said planar end surfaces (10) being arranged perpendicular to the radial line of the second annular seat (4).
4. The die device for drilling the main shaft according to claim 1, wherein the two positioning columns (5) are distributed at 90 degrees relative to the circumference of the annular template (1), the positioning columns (5) are right columns matched with bolt holes, stud heads (6) coaxial with the positioning columns are arranged on the outer end faces of the positioning columns (5) in a centering mode,
The fastening piece comprises a fastening bolt (8) and a pressing strip (7), the fastening bolt (8) is in threaded connection with the stud head (6), through holes (9) movably spliced with the positioning columns (5) are formed in the two ends of the pressing strip (7), and the pressing strip (7) is an arc-shaped plate piece with 90 degrees coaxial with the annular template (1).
5. The die device suitable for spindle drilling according to claim 1, wherein two positioning columns (5) are symmetrically arranged relative to the annular template (1), the root diameter of each positioning column (5) is equal to or larger than the bolt hole of the flange, the diameter of the outer end of each positioning column (5) is smaller than the bolt hole of the flange, each positioning column (5) is a truncated cone-shaped column with the outer end being a narrow end, a threaded groove (11) is centrally arranged on the end face of the outer end of each positioning column (5), each fastener comprises a pressing plate (12), a door-shaped frame (14) and a screw (15), the pressing plates (12) are annular pieces with inner diameters larger than those of the corresponding positioning columns (5), the two ends of each door-shaped frame (14) are respectively fixed at the edge of the pressing plates (12), the outer end of each screw (15) is centrally fixed on the corresponding door-shaped frame (14), and each screw (15) is in threaded fit with each threaded groove (11).
6. The die device suitable for spindle drilling according to claim 5, wherein an annular groove is formed in the end face of the pressing plate (12) close to the annular template (1), a rubber gasket (13) is fixed in the annular groove, and the rubber gasket (13) protrudes out of the inner end face of the pressing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520032716.3U CN222536395U (en) | 2025-01-07 | 2025-01-07 | A mold device suitable for spindle drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520032716.3U CN222536395U (en) | 2025-01-07 | 2025-01-07 | A mold device suitable for spindle drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222536395U true CN222536395U (en) | 2025-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520032716.3U Active CN222536395U (en) | 2025-01-07 | 2025-01-07 | A mold device suitable for spindle drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222536395U (en) |
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2025
- 2025-01-07 CN CN202520032716.3U patent/CN222536395U/en active Active
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